What is blue?

a) a color
b) the sky

answer:

the sky

explanation:

but only at daytime tho

the correct answer for this question is:

it is system invented in 1872 that produced the first illusion of movement. basically it was a disk with a series of drawings around the edge, showing the same object in slightly different poses. when it was spun, it created the illusion of movement.

found this online : )

answer; /// the answer to the above question is (true);